SIEDLECKI, Zygmunt, SAHLU, Abat, SILESHY, Adu, MENDERE, Surafel Mekonnen, DILNESAW, Amanuel Firew, BIZUNEH, Yemisirach, GRZYB, Sebastian, TEGENE, Bizuayehu Mengesha, TIRSIT, Abenezer and ŚNIEGOCKI, Maciej. Comparative analysis of informed consent for spine surgery in patients in Ethiopia and Poland and the importance of verbal contact with patients based on the medical mission "Polish Medical Team Helping Hand". Journal of Education, Health and Sport. Online. 3 April 2022. Vol. 12, no. 2, pp. 249-254. [Accessed 3 July 2025]. DOI 10.12775/JEHS.2022.12.02.026.